Graco 313227A PRO Xs Auto Waterborne Electrostatic Air Spray Gun Owner's Manual

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Graco 313227A PRO Xs Auto Waterborne Electrostatic Air Spray Gun Owner's Manual | Manualzz

Instructions

Automatic Electrostatic

PRO

Xs Auto Waterborne

Air Spray Gun

313227A

For use with conductive spray materials (waterborne and other materials less than 1 megohm-cm).

Part No. 24A206

100 psi (0.7 MPa, 7 bar) Maximum Air Inlet Pressure

100 psi (0.7 MPa, 7 bar) Maximum Working Fluid Pressure

For use in Class I, Div I locations spraying Group D materials.

# 53

For use in Group II, Category 2 locations spraying group IIA materials.

0359

II 2 G EEx 0.24 mJ T6

FM08ATEX0075

Important Safety Instructions

Read all warnings and instructions in this manual.

Save these instructions.

See page 2 for Table of Contents.

U.S. Patent Pending

TI13395a

2

Table of Contents

Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

How the Electrostatic Air Spray Gun Works . . . . 5

Operating the Spray Function . . . . . . . . . . . . . . . 5

Operating the Electrostatics . . . . . . . . . . . . . . . . 5

Gun Features and Options . . . . . . . . . . . . . . . . . 5

Changing the kV Setting . . . . . . . . . . . . . . . . . . . 5

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Install the System . . . . . . . . . . . . . . . . . . . . . . . . 7

Warning Signs . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Ventilate the Spray Booth . . . . . . . . . . . . . . . . . . 7

Connect the Charging Probe . . . . . . . . . . . . . . . 9

Install the Air Line Accessories . . . . . . . . . . . . . . 9

Install the Fluid Line Accessories . . . . . . . . . . . . 9

Install the Gun and Mounting Bracket . . . . . . . . 10

Connect the Air and Fluid Lines . . . . . . . . . . . . 10

Manifold Connections . . . . . . . . . . . . . . . . . . . . 11

Optional Fiber Optic Cable Connection . . . . . . . 11

Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Check Electrical Grounding . . . . . . . . . . . . . . . . 13

Check Fluid Resistivity . . . . . . . . . . . . . . . . . . . 14

Check Fluid Viscosity . . . . . . . . . . . . . . . . . . . . 14

Install the Fabric Cover . . . . . . . . . . . . . . . . . . . 14

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Pressure Relief Procedure . . . . . . . . . . . . . . . . 15

Operating Checklist . . . . . . . . . . . . . . . . . . . . . . 15

Select a Fluid Nozzle and Air Cap . . . . . . . . . . 16

Adjust the Spray Pattern . . . . . . . . . . . . . . . . . . 16

Adjust the Electrostatics . . . . . . . . . . . . . . . . . . 17

Spraying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Triggering the Fluid Alone . . . . . . . . . . . . . . . . . 18

Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Clean the Gun Daily . . . . . . . . . . . . . . . . . . . . . 19

Clean the Air Cap and Fluid Nozzle . . . . . . . . . 20

Check for Fluid Leakage . . . . . . . . . . . . . . . . . . 21

Electrical Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Test Total Gun Resistance . . . . . . . . . . . . . . . . . 22

Test Gun Resistance . . . . . . . . . . . . . . . . . . . . . 23

Test Charging Probe Resistance . . . . . . . . . . . . 23

Test Power Supply Resistance . . . . . . . . . . . . . 24

Test Barrel Resistance . . . . . . . . . . . . . . . . . . . . 24

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Spray Pattern Troubleshooting . . . . . . . . . . . . . 25

Gun Operation Troubleshooting . . . . . . . . . . . . . 26

Electrical Troubleshooting . . . . . . . . . . . . . . . . . 27

Gun Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Prepare the Gun for Repair . . . . . . . . . . . . . . . . 28

Remove the Gun from the Manifold . . . . . . . . . . 29

Install the Gun on the Manifold . . . . . . . . . . . . . 29

Replace Air Cap/Nozzle . . . . . . . . . . . . . . . . . . 30

Replace Electrode Needle . . . . . . . . . . . . . . . . . 31

Remove Fluid Packing Rod . . . . . . . . . . . . . . . . 32

Repair Packing Rod . . . . . . . . . . . . . . . . . . . . . . 33

Piston Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Adjust the Actuator Arm . . . . . . . . . . . . . . . . . . 35

Remove Barrel . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Install Barrel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Power Supply Removal and Replacement . . . . 38

Turbine Alternator Removal and Replacement . 39

Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Air Line Accessories . . . . . . . . . . . . . . . . . . . . . 44

Fluid Line Accessories . . . . . . . . . . . . . . . . . . . 44

Miscellaneous Accessories . . . . . . . . . . . . . . . . 45

Gun Accessories . . . . . . . . . . . . . . . . . . . . . . . . 46

Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Graco Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Graco Information . . . . . . . . . . . . . . . . . . . . . . . . . 48

313227A

Warnings

Warnings

Warning Symbol

WARNING

This symbol alerts you to the possibility of serious injury or death if you do not follow the instructions.

Notice

NOTICE

A NOTICE alerts you to the possibility of damage to or destruction of equipment if you do not follow the instructions.

The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific risk. Refer back to these warnings. Additional, product-specific warnings may be found throughout the body of this manual where applicable.

FIRE AND EXPLOSION HAZARD

Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help prevent fire and explosion:

Ground equipment, personnel, object being sprayed, and conductive objects in work area. See

Grounding instructions.

Only use grounded Graco conductive air supply hoses.

Use and clean equipment only in well ventilated area.

Use cleaning solvents with highest possible flash point when flushing or cleaning equipment.

Always turn the electrostatics off when flushing, cleaning or servicing equipment.

If there is static sparking or you feel a shock, stop operation immediately. Do not use equipment until you identify and correct the problem.

Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric lamps, and plastic drop cloths (potential static arc).

Do not plug or unplug power cords or turn lights on or off when flammable fumes are present.

Keep work area free of debris, including solvent, rags and gasoline.

Check gun and hose resistance and electrical grounding daily.

Keep a working fire extinguisher in the work area.

ELECTRIC SHOCK HAZARD

This equipment must be grounded. Improper grounding, setup, or usage of the system can cause electric shock.

• Turn off air supply before servicing equipment.

• All electrical wiring must be done by a qualified electrician and comply with all local codes and regulations.

• Do not touch gun electrode when electrostatics are on.

• Do not expose to rain. Store indoors.

PRESSURIZED EQUIPMENT HAZARD

Fluid from the gun/dispense valve, leaks, or ruptured components can splash in the eyes or on skin and cause serious injury.

Follow Pressure Relief Procedure in this manual, when you stop spraying and before cleaning, checking, or servicing equipment.

Tighten all fluid connections before operating the equipment.

Check hoses, tubes, and couplings daily. Replace worn or damaged parts immediately.

313227A 3

Warnings

EQUIPMENT MISUSE HAZARD

Misuse can cause death or serious injury.

Do not operate the unit when fatigued or under the influence of drugs or alcohol.

Do not exceed the maximum working pressure or temperature rating of the lowest rated system component. See Technical Data in all equipment manuals.

Do not leave the work area while equipment is energized or under pressure. Turn off all equipment and follow the Pressure Relief Procedure in this manual when equipment is not in use.

Check equipment daily. Repair or replace worn or damaged parts immediately with genuine manufacturer’s replacement parts only.

Do not alter or modify equipment.

Use equipment only for its intended purpose. Call your distributor for information.

Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.

Do not kink or over bend hoses or use hoses to pull equipment.

Keep children and animals away from work area.

Comply with all applicable safety regulations.

TOXIC FLUID OR FUMES HAZARD

Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin, inhaled, or swallowed.

Read MSDS’s to know the specific hazards of the fluids you are using.

Store hazardous fluid in approved containers, and dispose of it according to applicable guidelines.

Always wear impervious gloves when spraying or cleaning equipment.

PERSONAL PROTECTIVE EQUIPMENT

You must wear appropriate protective equipment when operating, servicing, or when in the operating area of the equipment to help protect you from serious injury, including eye injury, inhalation of toxic fumes, burns, and hearing loss. This equipment includes but is not limited to:

• Protective eyewear

• Clothing and respirator as recommended by the fluid and solvent manufacturer

• Gloves

• Hearing protection

4 313227A

Overview

Overview

How the Electrostatic Air Spray

Gun Works

The automatic electrostatic air spray gun operates very similar to a traditional air spray gun. The atomization and fan air are emitted from the air cap. The atomization air breaks up the fluid stream and controls the droplet size. The fan air controls the shape and width of the spray pattern. The fan and atomization air can be adjusted independently.

Operating the Spray Function

Applying a minimum of 50 psi (0.35 MPa, 3.5 bar) air pressure to the gun manifold’s cylinder air fitting (CYL) will retract the gun piston, which opens the air valves and a short time later opens the fluid needle. This provides the proper air lead and lag when triggering the gun. A spring returns the piston when the cylinder air is shut off.

Gun Features and Options

• The gun is designed for use with a reciprocator, and can be mounted directly on a 1/2 in. (13 mm) rod.

With additional brackets, the gun can be mounted for robotic applications.

• The gun’s quick-disconnect design enables its removal without disconnecting the fluid and air lines to the gun.

• Gun functions are activated from a separate controller that sends the appropriate signal to the actuating solenoids.

• The optional fiber optic readout system can be installed to monitor the gun’s spraying voltage. A fiber optic cable connected to the gun manifold carries the signal from the gun to a remote display module. Part No. 224117 Display Module displays the gun’s spraying voltage and current. Battery-operated Display Module 189762 displays the gun’s spraying voltage only.

Operating the Electrostatics

To operate the electrostatics, apply air pressure to the gun manifold’s turbine air fitting (TA) through a Graco grounded air hose. The air enters the manifold and is directed to the inlet of the power supply turbine. The air spins the turbine, which then provides electrical power to the internal high voltage power supply and external charging probe. Atomized fluid particles become charged as they pass by the external probe, and are attracted to the grounded workpiece, evenly coating all surfaces. The external charging allows the fluid supply to remain grounded at all times, eliminating the need for an isolation system.

The turbine air is exhausted into the shroud and out the back of the manifold through the exhaust fitting (EXH).

The exhaust air helps keep contaminants out and helps keep the gun clean.

Changing the kV Setting

For this external charge gun it is recommended that the gun be left at full voltage, but if needed the voltage can be reduced.

The gun’s full voltage setting is 60 kV. Three lower voltage settings are possible by actuating the KV1 and KV2 switches. Supply 50 psi (0.35 MPa, 3.5 bar) air pressure to the KV1 and KV2 ports. Turn the air on or off as shown in Table 1 to set the desired voltage.

The solenoid valves used to activate the KV1 and KV2 switches must bleed the air out of the lines for the switches to draw back to the higher voltage setting.

Table 1: KV1 and KV2 Switch Settings

KV1 Air

OFF

OFF

ON

ON

KV2 Air

OFF

ON

OFF

ON

Output Voltage (kV)

60

50

40

35

313227A 5

Overview

A

TI13395a

C D E

H

G

F

TA

CYL

A1

P1

TI1577A

Manifold Back View

EXH

KV1

FO

KV2

A2

J

B

F IG . 1. Gun Overview

Key

D

E

F

G

A

B

C

H

J

6

Air Cap

Fluid Nozzle

Retaining Ring

Shroud

Mounting Bracket

Manifold

Turbine

Power Supply

External Charging Probe

TI13426a

A1

Manifold Markings

Atomization Air Inlet Fitting

A2 Fan Air Inlet Fitting

CYL Cylinder Air Inlet Fitting

EXH Shroud Exhaust Outlet Fitting

FO Fiber Optic Fitting (shipped unassembled)

KV1 kV Switch 1 Air Inlet

KV2 kV Switch 2 Air Inlet

P1

TA

Fluid Supply Inlet Fitting

Turbine Air Inlet Fitting

313227A

Installation

Installation

Install the System Ventilate the Spray Booth

Installing and servicing this equipment requires access to parts which may cause electric shock or other serious injury if work is not performed properly.

Do not install or service this equipment unless you are trained and qualified.

Be sure your installation complies with National,

State and Local codes for the installation of electrical apparatus in a Class I, Div. I, Group D or a

Group II, Category 2G Hazardous Location.

Comply with all applicable local, state, and national fire, electrical, and other safety regulations.

F IG . 2 shows a typical electrostatic air spray system, and

F IG . 3 shows possible system options. It is not an actual

system design. For assistance in designing a system to suit your particular needs, contact your Graco distributor.

Warning Signs

Mount warning signs in the spray area where they can easily be seen and read by all operators. An English

Warning Sign is provided with the gun.

Provide fresh air ventilation to avoid the buildup of flammable or toxic vapors when spraying, flushing, or cleaning the gun. Do not operate the gun unless ventilation fans are operating.

Electrically interlock the gun air supply with the ventilators to prevent gun operation without ventilating fans operating. Check and follow all National, State, and

Local codes regarding air exhaust velocity requirements.

High velocity air exhaust will decrease the operating efficiency of the electrostatic system. Air exhaust velocity of

100 ft/min (31 linear meters/minute) should be sufficient.

Key to F IG . 2 and F IG . 3

Q

R

N

P

J

K

L

M

U

V

S

T

W

G

H

E

F

C

D

A

B

X

Y

Air Hose Ground Wire

Graco Grounded Turbine Air Hose (TA)

Atomizing Air Hose, 3/8 in. (10 mm) OD (A1)

Fan Air Hose, 3/8 in. (10 mm) OD (A2)

Cylinder Air Hose, 5/32 in. (4 mm) OD (CYL)

Fluid Hose, 1/4-18 npsm gun fluid inlet (P1)

To Fluid Supply

Auto PRO Xs Air Spray Gun

Mounting Bracket for 1/2 in. (13 mm) rod

Solenoid Valve, requires quick exhaust port

Bleed-Type Master Air Valve

Air Pressure Regulator

True Earth Ground

24 Volt Power Supply

4-20 microampere Outputs

Full Feature ES Display Module kV Only ES Display Module (battery operated)

Fiber Optic Y Cable

Bulkhead

Fiber Optic Cable

Main Air Line kV Switch Air Hose, 5/32 in. (4 mm) OD (optional; plug KV1 fitting if not used) kV Switch Air Hose, 5/32 in. (4 mm) OD (optional; plug KV2 fitting if not used)

313227A 7

Installation

L W

See * above

L

L

K

K

K

NOTE:

* The turbine air supply (TA) must be electrically interlocked with the spray booth ventilation fans to prevent the power supply from operating without ventilating fans on.

A

X Y B C D

TA

KV1

KV2

A1 A2

CYL

K P1

N

F

M

Non-Hazardous Area

E

G

Hazardous Area

J

TI1712A

Manifold Back View

F IG . 2. Typical Installation

NOTE:

** A maximum of two splices with a total of 108 ft (33 m) of cable can be used. For the stron-

gest light signals, use a minimum number of bulkhead splices. See Accessories on page 45.

Non-Hazardous Area Hazardous Area

P

R T U**

KV

μA

V**

Q

85.0 KV

S

F IG . 3. Optional Fiber Optic Connection to Voltage Display Module

8

H

TI13427a

313227A

Installation

Connect the Charging Probe

1.

Apply dielectric grease to the charging probe

socket. See F IG . 4.

Probe

Socket

Install the Air Line Accessories

1.

Install a bleed-type air valve (L) on the main air line

(W) to shut off all air to the gun (H).

2.

Install an air line filter/water separator on the gun air line to ensure a dry, clean air supply to the gun. Dirt and moisture can ruin the appearance of your finished workpiece and can cause the gun to malfunction.

3.

Install a bleed-type air regulator (M) on each of the air supply lines (B, C, D, E, X, Y) to control air pressure to the gun.

4.

Install a solenoid valve (K) on the cylinder air line (E) to actuate the gun. The solenoid valve must have a quick exhaust port.

ti13446a

F IG . 4. Probe Socket

2.

Install the charging probe in the Connect/Discon-

nect position shown in F IG . 5.

Connect/Disconnect

Position

Trapped air can cause the gun to spray unexpectedly, which can result in serious injury, including splashing fluid in the eyes or on the skin. The solenoid valves (K) must have a quick exhaust port so trapped air will be relieved between the valve and gun when the solenoids are shut off.

Spray

Position ti13447a

Install the Fluid Line

Accessories

1.

Install a fluid filter and drain valve at the pump outlet.

F

IG

. 5. Charging Probe Positions

3.

Rotate the charging probe to spray position.

NOTICE

The external charging probe rotates easily. Do not press too hard when rotating it or it could be damaged.

NOTE: For proper performance, do not operate electrostatics if the charging probe is not in spray position.

The fluid drain valve is required in your system to assist in relieving fluid pressure in the displacement pump, hose, and gun. Triggering the gun to relieve pressure may not be sufficient. Install a drain valve close to the pump's fluid outlet. The drain valve reduces the risk of serious injury, including splashing in the eyes or on the skin.

2.

Install a fluid regulator on the fluid line to control fluid pressure to the gun.

313227A 9

Installation

Install the Gun and Mounting

Bracket

1.

Loosen the mounting bracket’s two set screws (103) and slide the bracket (102) onto a 1/2 in. (13 mm)

mounting rod. See F IG . 6.

2.

Position the gun and tighten the two set screws.

For added positioning reliability, insert a 1/8 in. (3 mm) locating pin (NN) into the slot in the bracket and through

a hole in the rod. See the detail in F IG . 6.

Connect the Air and Fluid Lines

F IG . 2 shows a schematic of air and fluid line connec-

tions, and F IG . 7 shows the manifold connections. Con-

nect the air and fluid lines as instructed.

To reduce the risk of electric shock or other serious injury, the turbine air supply hose must be electrically connected to a true earth ground. Use only Graco

Grounded Air Supply Hose.

102

103

To nozzle tip

7.39 in.

(187.7 mm)

8.75 in.

(222.3 mm)

2.88 in.

(73.2 mm)

1.

Connect the Graco Grounded Air Supply Hose (B) to the gun's turbine air inlet (TA) and connect the hose ground wire (A) to a true earth ground (N). The gun turbine air inlet fitting has left-hand threads to prevent connecting another type of air hose to the

turbine air inlet. See Accessories on page 44 for

further information about the hose.

2.

Check the electrical grounding of the gun as

instructed on page 13.

3.

Before connecting the fluid line (P1), blow it out with air and flush it with solvent. Use solvent which is compatible with the fluid to be sprayed.

NN

TI13428a

03460

F IG . 6. Mounting Bracket

10 313227A

Installation

Manifold Connections

A1

A2

CYL

EXH

FO

KV1

KV2

P1

TA

Atomization Air Inlet Fitting

Connect a 3/8 in. (10 mm) OD tube between this fitting and the air supply.

Fan Air Inlet Fitting

Connect a 3/8 in. (10 mm) OD tube between this fitting and the air supply.

Cylinder Air Inlet Fitting

Connect a 5/32 in. (4 mm) OD tube between this fitting and the solenoid. For quicker response, use the shortest hose length possible.

Shroud Exhaust Outlet Fitting

Connect a 1/4 in. (6 mm) OD x 4 ft (1.22 m) long tube to this fitting.

Fiber Optic Fitting (Optional)

Connect the Graco Fiber Optic cable (see page 11).

kV Switch 1 Air Inlet Fitting

Connect a 5/32 in. (4 mm) OD tube between this fitting and the solenoid.

kV Switch 2 Air Inlet Fitting

Connect a 5/32 in. (4 mm) OD tube between this fitting and the solenoid.

Fluid Supply Inlet Fitting

Connect a 1/4 npsm swivel fitting between this fitting and the fluid supply.

Turbine Air Inlet Fitting

Connect the Graco Electrically Conductive Air Hose between this fitting (left-hand thread) and the solenoid.

Connect the air hose ground wire to a true earth ground.

KV2

TA

CYL

A1

P1

KV1

FO

A2

Optional Fiber Optic Cable

Connection

An optional fiber optic fitting is shipped unassembled with the gun. If an ES (kV) display module is used,

install the fitting in the FO port of the manifold. See F IG .

3, page 8, for a schematic of the fiber optic connections.

1.

Remove the plug (120) from the fiber optic port, and install the fiber optic fitting (5, shipped loose with the

gun). See F IG . 8.

5

120

F IG . 8. Fiber Optic Fitting

TI1580A

2.

Remove the nut (AA) from the fiber optic fitting (5) and slide the nut over the end of the fiber optic cable

(BB). See F IG . 9.

3.

Push the cable (BB) into the fitting (5) until it bottoms out. Tighten the nut (AA) to secure the cable.

4.

Most of the fiber optic light transmission loss occurs at the bulkhead splices. For the strongest light signals, use a minimum number of bulkhead splices. A maximum of two splices, with a total of 108 ft (33 m) of cable, is recommended.

5.

See manual 308265 to install a Graco ES Display

Module.

5

EXH

BB

AA

F IG . 7. Manifold Connections

TI1577A

TI1581A

F IG . 9. Fiber Optic Cable

313227A 11

Installation

Grounding

When operating the electrostatic gun, any ungrounded objects in the spray area (people, containers, tools, etc.) can become electrically charged.

Improper grounding can result in static sparking, which can cause a fire, explosion, or electric shock.

Follow the grounding instructions below.

The following are minimum grounding requirements for a basic electrostatic system. Your system may include other equipment or objects which must be grounded.

Check your local electrical code for detailed grounding instructions. Your system must be connected to a true earth ground.

Pump: ground the pump by connecting a ground wire and clamp as described in your separate pump instruction manual.

Electrostatic Air Spray Gun: ground the gun by connecting the Graco Grounded Air Hose to the turbine air inlet and connecting the air hose ground wire to a

true earth ground. See Check Electrical Ground-

ing, page 13.

• Air compressors and hydraulic power supplies: ground the equipment according to the manufacturer's recommendations.

All air and fluid lines must be properly grounded.

All electrical cables must be properly grounded.

All persons entering the spray area: shoes must have conductive soles, such as leather, or personal grounding straps must be worn. Do not wear shoes with non-conductive soles such as rubber or plastic.

Object being sprayed: keep the workpiece hangers clean and grounded at all times. Resistance must not exceed 1 megohm.

The floor of the spray area: must be electrically conductive and grounded. Do not cover the floor with cardboard or any non-conductive material which would interrupt grounding continuity.

Flammable liquids in the spray area: must be kept in approved, grounded containers. Do not use plastic containers. Do not store more than the quantity needed for one shift.

• All electrically conductive objects or devices in the

spray area: including fluid containers and wash cans, must be properly grounded.

12 313227A

Installation

Check Electrical Grounding

Fire, Explosion, and Electric Shock Hazard

Megohmmeter Part No. 241079 (AA-see F IG . 10) is

not approved for use in a hazardous area. To reduce the risk of sparking, do not use the megohmmeter to check electrical grounding unless:

The gun has been removed from the hazardous area;

or all spraying devices in the hazardous area are turned off, ventilation fans in the hazardous area are operating, and there are no flammable vapors in the area (such as open solvent containers or fumes from spraying).

Failure to follow this warning could cause fire, explosion, and electric shock and result in serious injury and property damage.

5.

If the resistance is greater than the maximum reading specified above for your hose, check the tightness of the ground connections and be sure the turbine air hose ground wire is connected to a true earth ground. If the resistance is still too high, replace the turbine air hose.

N

B

AA

TA

TI1584A

1.

Have a qualified electrician check the electrical grounding continuity of the spray gun and turbine air hose.

2.

Make sure the turbine air hose (B) is connected and the hose ground wire is connected to a true earth ground.

3.

Turn off the air and fluid supply to the gun. The fluid hose must not have any fluid in it.

4.

Measure the resistance between the turbine air inlet fitting (TA) and a true earth ground (N). a.

If using a black or grey turbine air hose, use a megohmmeter to measure the resistance. Use an applied voltage of 500 minimum to 1000 volts maximum. The resistance should not exceed 1 megohm.

b.

If using a red turbine air hose, use an ohmmeter to measure the resistance. The resistance should not exceed 100 ohms.

F IG . 10. Check Gun Grounding

313227A 13

Installation

Check Fluid Resistivity

Fire, Explosion, and Electric Shock Hazard

Check the fluid resistivity in a non-hazardous area only. Resistance Meter 722886 and Probe 722860 are not approved for use in a hazardous area.

Failure to follow this warning could cause fire, explosion, or electric shock and result in serious injury and property damage.

Graco Part No. 722886 Resistance Meter and 722860

Probe are available as accessories to check that the resistivity of the fluid being sprayed meets the requirements of an electrostatic air spray system.

Follow the instructions included with the meter and probe. If the material is above 1 megohm-cm, then a Pro

Xs Auto HC gun may be a better option. The Pro Xs WB gun is intended to spray very conductive waterborne materials and other materials less than 1 megohm-cm.

Check Fluid Viscosity

To check fluid viscosity you will need:

• a viscosity cup

• a stopwatch.

1.

Completely submerge the viscosity cup in the fluid.

Lift the cup out quickly, starting the stopwatch as soon as the cup is completely removed.

2.

Watch the stream of fluid coming from the bottom of the cup. As soon as there is a break in the stream, shut off the stopwatch.

3.

Record the fluid type, elapsed time, and size of the viscosity cup.

4.

If the viscosity is too high or too low, contact the material supplier. Adjust as necessary.

Install the Fabric Cover

1.

Install a fabric cover (XX) over the front of the gun and slide it back to cover the exposed tubing and

hoses at the back of the manifold. See F IG . 11.

2.

Route the exhaust tube (YY) outside the cover. This enables you to monitor the exhaust tube for the

presence of any paint or solvent. See Check for

Fluid Leakage on page 21. Strap down the exhaust

tube to prevent it from moving around.

YY

F IG . 11. Fabric Cover

XX

TI13429a

14

YY

TI1579A

313227A

Operation

Operation

Pressure Relief Procedure

The system pressure must be manually relieved to prevent the system from starting or spraying accidentally. To reduce the risk of an injury from electric shock, accidental spray from the gun, splashing fluid, or moving parts, follow the Pressure Relief

Procedure whenever you:

are instructed to relieve the pressure

stop spraying

check or service any of the system equipment

or install or clean the fluid nozzle.

1.

Turn off all the air to the spray gun except the cylinder air, which triggers the gun. If an air pilot fluid regulator is used in the system, the air pressure is needed at the regulator air inlet.

2.

Turn off the fluid supply to the gun.

3.

Trigger the gun into a grounded metal waste container to relieve the fluid pressure.

4.

If an air pilot fluid regulator is used, turn off the air pressure at the regulator air inlet.

5.

Relieve fluid pressure in the fluid supply equipment as instructed in its instruction manual.

6.

Turn off the main air supply by closing the bleed-type master air valve on the main air supply line. Leave the valve closed until you are ready to spray again.

Operating Checklist

Check the following list daily, before starting to operate the system, to help ensure you of safe, efficient operation.

All operators are properly trained to safely operate an automatic electrostatic air spray system as instructed in this manual.

All operators are trained in the Pressure

Relief Procedure on page 15.

The warning sign provided with the gun is mounted in the spray area where it can be easily seen and read by all operators.

The system is thoroughly grounded and the operator and all persons entering the spray

area are properly grounded. See Grounding on page 12.

The condition of the gun’s electrical compo-

nents has been checked as instructed in Elec-

trical Tests on page 22.

Ventilation fans are operating properly.

Workpiece hangers are clean and grounded.

All debris, including flammable fluids and rags, is removed from the spray area.

All flammable fluids in the spray booth are in approved, grounded containers.

All conductive objects in the spray area are electrically grounded and the floor of the spray area is electrically conductive and grounded.

The manifold exhaust tubes have been checked for the presence of any fluid as

instructed in Check for Fluid Leakage on page 21.

313227A 15

Operation

Select a Fluid Nozzle and Air

Cap

The gun is supplied with Part No. 197266 Nozzle and

24A276 Air Cap. If you require a different size, refer to

Table 2 and instruction manual 309419, or consult with

your Graco distributor. See Replace Air Cap/Nozzle on page 30.

Adjust the Spray Pattern

Follow the steps below to establish the correct fluid flow and air flow. Do not turn on the turbine air (TA) yet.

To reduce the risk of an injury, follow the Pressure

Relief Procedure procedure on page 15 before

removing or installing a fluid nozzle and/or air cap.

1.

Relieve pressure, page 15.

2.

Loosen the air cap retaining ring, and rotate the air cap for a vertical or horizontal spray pattern. See

F

IG

. 12. Tighten the retaining ring until the air cap is

held firmly in place; you should not be able to rotate the air cap horns by hand.

NOTE: Due to the larger needle diameter, use a nozzle one size larger than you would use with a standard PRO

Xs gun (i.e., 1.5 mm = 1.2 mm flow area).

Table 2: Fluid Nozzles

Part No.

197265

197266

197267

249922*

249923*

249924*

Orifice Size

1.2 mm (.047 in.)

1.5 mm (.055 in.)

1.8 mm (.070 in.)

1.2 mm (.047 in.)

1.5 mm (.055 in.)

1.8 mm (.070 in.)

* Glass-reinforced acetal construction.

Vertical Pattern

Horizontal Pattern

F IG . 12. Air Cap Positions

3.

Adjust the fluid flow with the fluid pressure regulator.

Refer to instruction manual 309419 to set the fluid pressure for various fluid flows, according to the size of the fluid nozzle being used.

4.

Use the air pressure regulator on the atomization air supply line (A1) to adjust the degree of atomization.

See F IG . 13. For example, for a fluid flow rate of 10

ounces per minute (0.3 liters per minute), a typical atomization pressure would be 20-30 psi (1.4-2.1 bar, 0.14-0.21 MPa) at the gun manifold.

16 313227A

Operation

5.

Use the air pressure regulator on the fan air supply line (A2) to adjust the pattern size.

• For the most efficiency, always use the lowest air pressure possible.

• When increasing to a wide, flat pattern, it may be necessary to increase the supply of fluid to the gun to maintain the same amount of coverage over a large area.

See Spray Pattern Troubleshooting on page 25 to

correct spray pattern problems.

Adjust the Electrostatics

1.

Shut off the fluid supply.

2.

Trigger the gun, then turn on the turbine air (TA).

See F IG . 13.

3.

Refer to Table 3 to set the proper pressure at the turbine air hose inlet when air is flowing.

NOTICE

Do not exceed these pressures as there is no added benefit and turbine life could be reduced.

KV2

TA

CYL

A1

KV1

A2

F IG . 13. Manifold Air Connections

TI1577A

Table 3: Dynamic Turbine Air Pressures

Turbine Air

Hose Length ft (m)

15 (4.6)

25 (7.6)

36 (11)

50 (15.3)

75 (22.9)

100 (30.5)

Air pressure at turbine air hose inlet for full voltage psi (bar, MPa)

54 (3.8, 0.38)

55 (3.85, 0.38)

56 (3.9, 0.39)

57 (4.0, 0.40)

59 (4.1, 0.41)

61 (4.3, 0.43)

4.

Check the voltage output of the gun using a high voltage probe and meter or by reading the ES (kV)

Display Module.

The gun’s normal spraying voltage reading is 30-40 kV. If a ball end high voltage measurement probe is used, the gun voltage will rise to about 60 kV. This will happen with all resistive electrostatic guns.

See Electrical Troubleshooting on page 27 to cor-

rect voltage problems.

313227A 17

Operation

Spraying

To reduce the risk of electric shock, do not touch the gun electrode or come within 4 in. (10 cm) of the nozzle during gun operation.

1.

Apply a minimum of 50 psi (3.5 bar, 0.35 MPa) air pressure to the cylinder air fitting (CYL) to activate the on/off sequence of atomization air (A1), fan air

(A2), and fluid (P1). See F IG . 13.

2.

Turn the gun functions on and off by using the air solenoid valves on the cylinder (CYL) and turbine

(TA) air supply lines.

3.

To change to a lower voltage setting, activate the solenoids controlling the KV1 and KV2 ports. See

Changing the kV Setting on page 5.

Triggering the Fluid Alone

1.

Shut off and relieve the air pressure to the atomization (A1) and fan (A2) air lines, using the bleed-type air shutoff valves.

2.

Apply 50 psi (3.5 bar, 0.35 MPa) air pressure to the cylinder air fitting (CYL) to trigger the fluid.

Shutdown

1.

Relieve pressure, page 15.

2.

Flush and clean the equipment. See Maintenance on page 19.

If any fluid leakage from the gun is detected, stop spraying immediately. Fluid leakage into the gun shroud could cause fire or explosion and result in

serious injury and property damage. See Check for

Fluid Leakage on page 21.

18 313227A

Maintenance

Maintenance

Clean the Gun Daily

Turn off the turbine air before flushing the gun or any part of the system.

1.

Flush the gun.

• Do not immerse the gun in fluid.

2.

Relieve pressure, page 15.

3.

Clean the outside of the gun as follows:

• Clean all parts with a non-conductive, compatible solvent. Conductive solvents can cause the gun to malfunction.

• Do not use methylene chloride as a flushing or cleaning solvent with this gun as it will damage nylon components.

• Fluid in the air passages could cause the gun to malfunction and could draw current and reduce the electrostatic effect. Fluid in the power supply cavity can reduce the alternator life. Whenever possible, point the gun down when cleaning it. Do not use any cleaning method which could allow fluid into the gun air passages.

• Do not point the gun up while cleaning it.

TI13430a

• Do not wipe the gun with a cloth that is heavily saturated; wring out the excess fluid.

02027A

4.

Clean charging probe with soft brush and compatible solvent.

313227A

TI1574A ti13448a

19

Maintenance

5.

Clean the air cap and fluid nozzle daily, minimum.

Some applications require more frequent cleaning.

Replace the fluid nozzle and air cap if they are dam-

aged. See Clean the Air Cap and Fluid Nozzle, page 20.

6.

Check the electrode and replace if broken or dam-

aged. See Prepare gun for repair, page 28. on page 31.

7.

Check for fluid leakage from the gun and fluid

hoses. See Check for Fluid Leakage on page 21.

Tighten fittings or replace equipment as needed.

8.

Clean fluid and air filters.

4.

Wipe the fluid nozzle (4), shroud (48), and exterior of the gun clean with a cloth dampened in solvent.

Avoid getting any solvent into the air passages.

Whenever possible, point the gun down when cleaning it.

5.

If it appears that there is paint inside the fluid nozzle

(4) air passages, remove the gun from the line for servicing.

6.

Clean the air cap (3) with the soft bristle brush and solvent or submerge the air cap in suitable solvent and wipe it clean.

9.

Flush the gun before changing colors and whenever you are done operating the gun.

NOTICE

Do not use metal tools to clean the air cap or fluid nozzle holes as this could scratch them. Make sure the electrode is not damaged.

Scratches in the air cap or nozzle or a damaged electrode can distort the spray pattern.

Clean the Air Cap and Fluid

Nozzle

Equipment Needed

• soft bristle brush

• compatible solvent

Procedure

7.

Slide the shroud (48) onto the gun.

8.

Carefully install the air cap (3). Be sure to insert the electrode (7) through the center hole of the air cap.

Rotate the air cap to the desired position.

9.

Make sure the u-cup (1a) is in place on the retaining ring (1). The lips must face forward. Tighten the retaining ring until the air cap is held firmly in place; you should not be able to rotate the air cap horns by hand.

10. Install the charging probe (2), see page 9.

11. Test gun resistance, page 22.

To reduce the risk of an injury, follow the Pressure

Relief Procedure on page 15 when you stop spray-

ing and whenever you are instructed to relieve the pressure.

1.

Relieve the pressure, page 15.

2.

Remove the charging probe (2), see page 9.

3.

Remove the air cap assembly (1, 3) and shroud

(48). See F IG . 14.

20 313227A

Maintenance

48

3

1

1a 7 4

F IG . 14. Clean Air Cap and Fluid Nozzle

TI13431a

Check for Fluid Leakage

To reduce the risk of an injury, follow the Pressure

Relief Procedure on page 15 when you stop spray-

ing and whenever you are instructed to relieve the pressure.

During operation, periodically check the manifold exhaust tube (YY) and both ends of the gun shroud (ZZ)

for the presence of fluid. See F IG . 15. Fluid in these

areas indicates leakage into the shroud, which could be caused by leaks at the fluid tube connections or fluid packing leakage.

If fluid is seen in these areas, stop spraying immediately. Relieve the pressure, then remove the gun for repair.

If any fluid leakage from the gun is detected, stop spraying immediately. Fluid leakage into the gun shroud could cause fire or explosion and result in serious injury and property damage.

YY

ZZ

F IG . 15. Check for Fluid Leakage

TI13429a

ZZ

YY

TI1579A

313227A 21

Electrical Tests

Electrical Tests

Electrical components inside the gun affect performance and safety. The following procedures test the condition of the power supply (12), barrel (9) and external charging probe (2), and electrical continuity between components.

Use megohmmeter Part No. 241079 (AA) and an applied voltage of 500 V. Connect the leads as shown.

Test Total Gun Resistance

1.

Flush and dry the fluid passage.

2.

Measure resistance between the electrode needle tip (2) and the gun body (15) or the turbine air inlet fitting (TA); it should be 90-130 megohms. If outside

this range, remove the gun for service (page 28)

and go to the next test. If in range, refer to Electrical

Troubleshooting on page 27 for other possible

causes of poor performance.

Fire, Explosion, and Electric Shock Hazard

Megohmmeter Part No. 241079 (AA-see F IG . 16

through F IG . 20) is not approved for use in a hazard-

ous area. To reduce the risk of sparking, do not use the megohmmeter to check electrical grounding unless:

The gun has been removed from the hazardous area;

or all spraying devices in the hazardous area are turned off, ventilation fans in the hazardous area are operating, and there are no flammable vapors in the area (such as open solvent containers or fumes from spraying).

Failure to follow this warning could cause fire, explosion, and electric shock and result in serious injury and property damage.

AA

TA

TI1577A

TA

2

F IG . 16. Test Gun Resistance

TI13432a

22 313227A

Electrical Tests

Test Gun Resistance

Measure resistance between the turbine air inlet fitting

(TA) and the charging probe socket (CC) (see F IG . 17); it should be 70-95 megohms. If outside this range, check the power supply and barrel resistance. If in range, test the charging probe resistance.

Test Charging Probe Resistance

Measure resistance between the metal spring in the charging probe (DD) and the charging probe tip (BB)

(see F IG . 17); it should be 15-30 megohms. If outside this range, replace the charging probe. If in range, inspect the spring and barrel socket for possible causes of poor continuity. Reassemble the charging probe and retest the gun resistance.

AA

AA

TA

BB

F

IG

. 18. Test Charging Probe Resistance

DD ti13732

F IG . 17. Test Gun Resistance

CC ti13449a

313227A 23

Electrical Tests

Test Power Supply Resistance Test Barrel Resistance

1.

Remove the power supply (18), page 38.

2.

Remove the turbine alternator (19) from the power

supply, page 39.

3.

Measure resistance from the power supply's ground strips (EE) to the conductive contact in the center of

the power supply seal (FF). See F IG . 19

4.

The resistance should be 55-70 megohms. If outside this range, replace the power supply. If in range, proceed to the next test.

1.

Insert a conductive rod (GG) into the gun barrel

(removed for the power supply test) and against the metal contact (HH) in the front of the barrel.

2.

Measure the resistance between the conductive rod

(GG) and the charging probe socket (CC). See F IG .

20 The resistance should be 15-30 megohms.

3.

If the resistance is outside the range, replace barrel.

4.

If resistance is in range, reassemble the gun and test the gun resistance.

5.

If you still have problems, refer to Gun Repair on page 28 for other possible causes of poor perfor-

mance, or contact your Graco distributor.

AA

AA

FF EE ti1599a

F IG . 19. Test Power Supply Resistance

GG HH

CC

F

IG

. 20. Test Barrel Resistance ti12821

24 313227A

Troubleshooting

Troubleshooting

NOTE: Check all possible remedies in the Troubleshooting Chart before disassembling the gun.

To reduce the risk of an injury, follow the Pressure

Relief Procedure on page 15 when you stop spray-

ing and whenever you are instructed to relieve the pressure.

Spray Pattern Troubleshooting

Some spray pattern problems are caused by the improper balance between air and fluid.

Problem

Fluttering or spitting spray.

Cause Solution

No fluid.

Refill supply.

Loose, dirty, damaged nozzle/seat.

Clean or replace nozzle, page 30.

Improper spray pattern.

Streaks.

Air in fluid supply.

Damaged nozzle or air cap.

Check fluid source. Refill.

Replace, page 30.

Fluid buildup on air cap or nozzle.

Fan air pressure too high.

Fluid too thin.

Fluid pressure too low.

Fan air pressure too low.

Clean. See page 20.

Decrease.

Increase viscosity.

Increase.

Increase.

Fluid too thick.

Too much fluid.

Did not apply 50% overlap.

Dirty or damaged air cap.

Reduce viscosity.

Decrease flow.

Overlap strokes 50%.

Clean or replace, page 30.

313227A 25

Troubleshooting

Gun Operation Troubleshooting

Problem Cause Solution

Excessive spray fog.

“Orange Peel” finish.

Fluid leaks from the fluid packing area

Air leaks from the air cap

Fluid leakage from the front of the gun

Atomizing air pressure too high.

Fluid too thin.

Atomizing air pressure too low.

Poorly mixed or filtered fluid.

Fluid too thick.

Worn packings or rod.

Worn piston stem o-rings (16e, 16f).

Replace; see page 34.

Worn or damaged packing rod (8).

Decrease air pressure as low as possible.

Increase viscosity.

Increase air pressure; use lowest air pressure necessary.

Remix or refilter fluid.

Reduce viscosity.

Replace packings or rod; see pages

32 or 33.

Replace; see page 32

Gun does not spray

Dirty air cap

Air leaks from manifold

Worn fluid seat.

Loose fluid nozzle (4).

Damaged nozzle o-ring (4b).

Low fluid supply.

Damaged air cap (3).

Dirty or clogged fluid nozzle (4).

Damaged fluid nozzle (4).

Replace fluid nozzle (4) and/or elec-

trode needle (7); see pages 30 to 31.

Tighten; see page 30.

Replace; see page 30.

Add fluid if necessary.

Replace; see page 30.

Clean; see page 30.

Replace; see page 30.

Piston (16) not actuating.

Check cylinder air. Check piston

u-cup (16d); see page 34.

Actuator arm (29) is out of position.

Check actuator arm and nuts. See

page 35.

Misaligned air cap (3) and fluid nozzle (4).

Damaged nozzle orifice.

Fluid is coming on before the air.

Manifold is not tight.

Fluid leaks at the quick-disconnect.

Manifold is not tight.

Fluid hose o-rings are worn or missing.

Clean fluid buildup off air cap and

fluid nozzle seat; see page 20.

Replace nozzle (4); see page 30.

Check actuator arm and nuts. See

page 35.

Tighten manifold screws (106).

Tighten manifold screws (106).

Inspect or replace o-rings.

26 313227A

Troubleshooting

Electrical Troubleshooting

Installing and servicing this equipment requires access to parts which may cause an electric shock or other serious injury if the work is not performed properly. Do not install or repair this equipment unless you are trained and qualified.

Problem Cause Solution

Poor wrap.

Turbine air is not turned on.

(In general, a Pro Xs Waterborne gun will have less wrap than a Pro Xs solventborne gun.)

Booth exhaust velocity is too high.

Atomizing air pressure too high.

Turn on.

Reduce velocity to within code limits.

Decrease.

Fluid pressure too high.

Decrease.

Incorrect distance from gun to part.

Should be 8-12 in. (200-300 mm).

Poorly grounded parts.

Faulty gun resistance.

Resistance must be 1 megohm or less. Clean workpiece hangers.

See Test Total Gun Resistance on page 22.

Low fluid resistivity.

Fluid leaks from the packing (8d) and causes a short.

Check fluid resistivity, page 14.

Clean the packing rod cavity.

Replace the packing rod. See page

33.

Faulty turbine alternator.

The KV switch is stuck on low.

Be sure the plug is in place on the back of the turbine alternator housing. Remove and test the turbine

alternator. See page 39.

Check the switch actuation; replace if needed.

No voltage or low voltage reading on the gun ES display module

No power.

Damaged fiber optic cable or connection.

Turbine air is not turned on.

Poor wrap.

Replace power supply. See page 38.

Check; replace damaged parts.

Turn on.

See causes and solutions under Poor

Wrap, above.

Operator gets mild shock.

Operator not grounded or is near ungrounded object.

Gun not grounded.

See Grounding on page 12.

Operator gets shock from workpiece. Workpiece not grounded.

See Check Electrical Grounding on

page 13 and Test Total Gun Resis-

tance on page 22.

Resistance must be 1 megohm or less. Clean workpiece hangers.

313227A 27

Gun Repair

Gun Repair

Prepare the Gun for Repair

Installing and repairing this equipment requires access to parts that may cause electric shock or other serious injury if the work is not performed properly. Do not install or service this equipment unless you are trained and qualified.

To reduce the risk of injury, follow the Pressure

Relief Procedure procedure on page 15 before

checking or servicing any part of the system and whenever you are instructed to relieve the pressure.

Check all possible remedies in Gun Operation

Troubleshooting before disassembling the gun.

• Use a vise with padded jaws to prevent damage to plastic parts.

• Lubricate the power supply seal (12a), some packing rod parts (8), and certain fluid fittings with dielectric grease (49), as specified in the text.

• Lightly lubricate o-rings and seals with non-silicone grease. Order Part No. 111265 Lubricant. Do not over-lubricate.

• Only use genuine Graco parts. Do not mix or use parts from other PRO Gun models.

• Fluid Seal Repair Kit 244911 is available. The kit must be purchased separately. Kit parts are marked with a symbol, for example (8a†).

1.

Flush and clean the gun, page 19.

2.

Relieve the pressure, page 15.

3.

Disconnect the gun air and fluid lines.

4.

Remove the gun from the worksite. Repair area must be clean.

28 313227A

Gun Repair

Remove the Gun from the

Manifold

1.

Loosen but do not remove the bottom gun screw

(31) until the gun sits loosely in the mounting

bracket slot (A). See F IG . 21.

NOTICE

The piston return spring (105) is compressed between the manifold and the gun body when they are assembled. To avoid sudden movement of the gun body, loosen the bottom gun screw (31) before loosening the three manifold screws (106). This allows the gun to move forward gradually as the manifold screws are loosened. Hold the gun firmly in hand while loosening the manifold screws.

2.

Holding the gun firmly in hand, loosen the three screws (106) from the back of the manifold.

3.

Remove the gun from the manifold and take it to the service area.

Install the Gun on the Manifold

1.

Make sure the gasket (112) and spring (105) are in

place on the manifold. See F IG . 21. Inspect the parts

for damage and replace them as needed.

2.

Secure the gun to the manifold by tightening the three screws (106).

3.

Secure the gun to the mounting bracket (102) by tightening the bottom screw (31).

105

112

106

A 31 102

TI13433a

F

IG

. 21. Remove Gun from Manifold

313227A 29

Gun Repair

Replace Air Cap/Nozzle

NOTICE

Hold the front end of the gun up and trigger the gun while removing the nozzle to help drain the gun and prevent any paint or solvent left in the gun from entering the air passages.

1.

Prepare gun for repair, page 28.

2.

Remove the charging probe (2), see page 9.

3.

Remove the retaining ring (1), air cap (3), and gun shroud (48).

4.

See F IG . 22. Point gun up while removing the fluid

nozzle (4) assembly with the multi-tool (37).

4

37

1, 3

3

4

4a

4b

1

1a

Fire, Explosion, and Electric Shock Hazard

The nozzle contact ring (4a) is a conductive contact ring, not a sealing o-ring. To reduce the risk of sparking or electric shock, do not remove the nozzle contact ring (4a) except to replace it and never operate the gun without the contact ring in place. Do not replace the contact ring with anything but a genuine Graco part.

Use non-silicone grease, Part No. 111265, on the small o-ring (4b). Do not over-lubricate. Do not lubricate the contact ring (4a).

5.

Lightly lubricate the o-ring (4b). Install it and the contact ring (4a) on the nozzle (4).

6.

Make sure the electrode needle (7) is finger-tight

(page 31).

7.

Trigger gun while installing the fluid nozzle (4) with the multi-tool (37). Tighten until the fluid nozzle seats in the gun barrel (1/8 to 1/4 turn past hand-tight).

8.

Install the gun shroud (48), air cap (3), and retaining ring (1). Make sure the u-cup (1a*) is in place with the lips facing forward.

9.

Install the charging probe (2), see page 9.

10. Test gun resistance, page 22.

F IG . 22. Replace Air Cap/Nozzle

TI13434a

30 313227A

Gun Repair

Replace Electrode Needle

1.

Prepare gun for repair, page 28.

2.

Remove the charging probe (2), see page 9.

3.

Remove the air cap and nozzle, page 30. Remove

the gun shroud (48).

4.

Unscrew the electrode needle (7) with the multi-tool

(37). Hold the packing rod end (8h) to prevent it from

turning, F

IG . 23.

NOTICE

To avoid damaging the plastic threads, be very careful when installing the electrode needle.

5.

Apply low-strength (purple) Loctite® or equivalent thread sealant to the electrode needle and packing rod threads. Install the electrode needle finger-tight.

Do not overtighten.

6.

Install the fluid nozzle (4), page 30.

7.

Install the gun shroud (48) and air cap (3), page 30.

8.

Install the charging probe (2), see page 9.

9.

Test gun resistance, page 22.

10. Install the gun onto the manifold and bracket. See

page 29.

37

7

8h

TI1567A

F IG . 23. Replace Electrode Needle

TI13435a

313227A 31

Gun Repair

Remove Fluid Packing Rod

You may replace the packing rod as an assembly, as

described below, or as individual parts (see page 33).

The assembly is pre-adjusted at the factory.

1.

Prepare gun for repair, page 28.

2.

Remove the charging probe (2), see page 9.

3.

Remove the air cap (3), fluid nozzle (4), and gun

shroud (48), page 30.

4.

Remove the jam nut (28) and actuator arm (29). See

page 34.

NOTE: The fluid nozzle (4) must be in place when removing or installing the jam nut and actuator arm.

5.

Remove the fluid nozzle (4) and electrode needle

(7). See pages 30 and 31.

6.

Remove the packing rod (8), using the multi-tool

(37).

8

F IG . 24. Remove Fluid Packing Rod

37

9

TI13436a

NOTICE

Clean all parts in non-conductive solvent compatible with the fluid being used, such as xylol or mineral spirits. Use of conductive solvents can cause the gun to malfunction.

7.

Check all parts for wear or damage and replace if necessary.

8.

Before installing the packing rod, clean the internal surface of the barrel (9) with a soft cloth or brush.

Check for marks from high voltage arcing. If marks

are present, replace the barrel, page 36.

9.

Install the gun shroud (48) and air cap (3), page 30.

10. Install the charging probe (2), see page 9.

11. Test gun resistance, page 22.

12. Install the gun onto the manifold and bracket. See

page 29.

32 313227A

Gun Repair

Repair Packing Rod

You may replace the packing rod as individual parts or as an assembly. The assembly is pre-adjusted at the factory.

Before installing the fluid packing rod into the gun barrel, make sure the internal surfaces of the barrel are clean. Remove any residue with a soft brush or cloth. Check the inside of the barrel for marks from high voltage arcing. If marks are present, replace the barrel.

To assemble the individual parts:

1.

Place the packing nut (8e) and seal (8b†) on the fluid rod (8h). Flats on the packing nut must face the back of the fluid rod. The seal o-ring must face away

from the packing nut. See F IG . 25

2.

Fill the inner cavity of the spacer (8g†) with dielectric grease (49). Place the spacer on the fluid rod

(8h) in the direction shown. Generously apply dielectric grease to the outside of the spacer.

3.

Place the u-cup packing (8c†), packing spreader

(8d†), and housing (8f) on the packing rod (8h).

4.

Lightly tighten the packing nut (8e). The packing nut is properly tightened when there is 3 lb (13.3 N) of drag force when sliding the packing housing (8f) assembly along the rod. Tighten or loosen the packing nut as needed.

5.

Install the o-ring (8a†) on the outside of housing

(8f). Lubricate the o-ring with non-silicone grease,

Part No. 111265. Do not over-lubricate.

6.

Install the spring (25) against the nut (E) as shown.

7.

Install the packing rod assembly (8) into the gun barrel. Using the multi-tool (37), tighten the assembly until just snug.

8.

Install the electrode needle (7), page 31.

9.

Install the nozzle (4), gun shroud (48), and air cap

(3), page 30.

10. Install the charging probe (2), see page 9.

11. Test gun resistance, page 22.

E

25

8h

8f

8d†

8c†

8g†

8b†

8e

8a†

TI12719a

F IG . 25. Packing Rod

313227A 33

Gun Repair

Piston Repair

1.

Prepare gun for repair, page 28.

2.

Remove the charging probe (2), see page 9.

3.

Remove the air cap, page 30. Remove the gun

shroud (48).

4.

Remove the jam nut (28), actuator arm (29), and

adjustment nut (30). See F IG . 26. The fluid nozzle

(4) must be in place when removing or installing the jam nut and actuator arm.

Description

Shaft O-Ring

(16g)

Front O-Ring

(16e)

Back O-Ring

(16f)

U-Cup (16d)

Table 4: Piston O-Rings

Function

Seals cylinder air along the piston rod

(16b). Replace if air leaks along rod.

Air shutoff seal. Replace if air leaks from air cap when gun is de-triggered.

Separates cylinder air from fan and atomizing air.

Replace if air leaks from small vent hole at back of manifold when gun is triggered.

16a

16d

16c

16e

16f

F

IG

. 26. Actuator Arm

28 29 30 16b TI13437a

TI1575A

5.

Push on the piston rod (16b) to push the piston out the back of the gun.

6.

Inspect the o-rings (16e, 16f, 16g) and u-cup pack-

ing (16d) for damage. See Table 4 and F

IG

. 27.

7.

Lubricate the o-rings (16e, 16f, 16g) and u-cup packing (16d) with non-silicone grease, Part No.

111265. Do not over-lubricate.

8.

Align the two stems (16c) with the holes in the gun body and press the piston assembly into the back of the gun until it bottoms.

9.

Install and adjust the actuator arm, page 35.

16g

16e

Fan Air Side

16f

16b

16d

Atomizing Air Side

16g

TI1576A

F IG . 27. Piston O-Rings

34 313227A

Adjust the Actuator Arm

The fluid nozzle (4) must be in place when removing or installing the jam nut and actuator arm.

1.

Install the adjustment nut (30), actuator arm (29), and jam nut (28) onto the piston rod (16b). Note that the jam nut (28) has a slightly larger hex and a thin-

ner profile than the adjustment nut (30). See F IG . 26 on page 34.

2.

Position the parts so there is a 0.125 in. (3 mm) gap between the actuator arm (29) and the fluid packing rod nut (E), which allows the atomizing air to actuate

before the fluid. See F IG . 28.

3.

Tighten the adjustment nut (30) against the actuator arm (29). Check that the 0.125 in. (3 mm) gap has been maintained. In addition, there should be 3-4 mm of electrode needle travel when the gun is triggered. Adjust the jam nut position to obtain these dimensions.

4.

Install the gun shroud (48) and air cap (3), page 30.

5.

Install the charging probe (2), see page 9.

6.

Test gun resistance, page 22.

7.

Install the gun onto the manifold and bracket. See

page 29.

0.125 in. (3 mm) gap

29

28 30 16b

F IG . 28. Actuator Arm Adjustment

E

TI1567A

313227A

Gun Repair

35

Gun Repair

Remove Barrel

1.

Prepare gun for repair, page 28.

2.

Remove the charging probe (2), see page 9.

3.

Remove the air cap, page 30. Remove the gun

shroud (48).

4.

Carefully loosen the fluid fitting nut (20). Pull the tube (19) out of the fitting (23). Make sure both ferrules (21, 22) and the nut stay with the tube.

5.

Remove the jam nut (28) and actuator arm (29). See

page 34.

6.

Loosen the three screws (10, 32). See F IG . 29.

NOTICE

To avoid damaging the power supply (12), pull the gun barrel (9) straight away from the gun body

(15). If necessary, gently move the gun barrel from side to side to free it from the gun body.

7.

Hold the gun body (15) with one hand and pull the

barrel (9) straight off the body. See F IG . 29.

32

F IG . 29. Barrel Removal

15

9

TI13438a

9

10

15

F IG . 30. Disconnect Fluid Tube

28 29 30 19 20 23

TI13437a

36 313227A

Gun Repair

Install Barrel

1.

Be sure the gasket (11) and grounding spring (14) are in place. Make sure the air holes are aligned

properly. Replace if damaged. See F IG . 31.

2.

Place the barrel (9) over the power supply (12) and onto the gun body (15).

3.

Tighten the three screws (10, 32) oppositely and evenly (about a half turn past snug).

NOTICE

Do not over-tighten the screws (10, 32).

4.

Assemble the fluid tube (19) into the fluid fitting (23).

Ensure that the ferrules (21, 22) are in place.

Tighten the nut (20).

5.

Install and adjust the actuator arm (29) and jam nut

(28). See page 35.

6.

Install the gun shroud (48) and air cap (3), page 30.

7.

Install the charging probe (2), see page 9.

8.

Test gun resistance, page 22.

9.

Install the gun onto the manifold and bracket. See

page 29.

15

12

9

10

11

32

23

19 (Ref)

28

29

14

19

20

TI13439a

F IG . 31. Install Barrel

313227A 37

Gun Repair

Power Supply Removal and

Replacement

• Inspect the gun body power supply cavity for dirt or moisture. Clean with a clean, dry rag.

• Do not expose gasket (11) to solvents.

1.

Prepare gun for repair, page 28.

2.

Remove the barrel (9), page 36.

Be careful when handling the power supply (12) to avoid damaging it.

NOTICE

3.

Grasp the power supply (12) with your hand. With a gentle side to side motion, free the power supply/alternator assembly from the gun body (15), then carefully pull it straight out. Disconnect the flexible circuit (36) from the socket at the top of the body

(15). See F IG . 32.

4.

Disconnect the 3-wire connector (GG) from the power supply. Slide the alternator up and off the power supply. Inspect the power supply and alternator for damage. Disconnect the 6-pin flexible circuit

(36) from the power supply.

5.

Check the power supply resistance, page 24.

Replace if necessary. Before installing the power supply, make sure the o-rings (12a, 13a), spring

(12b), and pads (13e) are in place.

6.

Connect the 6-pin flexible circuit (36) to the power supply.

7.

Connect the 3-wire connector (GG). Slide the alternator (13) down onto the power supply (12).

8.

Lubricate the alternator o-ring (13a) with non-silicone grease, Part No. 111265. Do not over-lubricate.

9.

Lubricate the power supply o-ring (12a) with dielectric grease.

10. Insert the power supply/alternator assembly in the gun body (15). Make sure the ground strips make contact with the body. Connect the flexible circuit

(36) to the socket at the top of the body. Push the

6-pin connector into the socket to ensure it is properly connected.

11. Install the barrel (9), page 37.

12. Test gun resistance, page 22.

36

12

11

12a

12b

15

13e

13

13a

GG

TI13440a

F IG . 32. Power Supply

38 313227A

Turbine Alternator Removal and

Replacement

Replace turbine alternator bearings after 2000 hours of operation. Order Part No. 223688 Bearing Kit.

1.

Prepare gun for repair, page 28.

2.

Remove the power supply/alternator assembly,

page 38.

3.

Disconnect the alternator from the power supply,

page 39.

4.

Measure resistance between the two outer terminals of the 3-wire connector (GG); it should be

2.5-3.5 ohms. If outside this range, replace the alternator coil.

5.

Follow the bearing replacement procedure in the bearing kit manual 308034.

6.

Install the alternator on the power supply, page 39.

7.

Install the power supply/alternator assembly, page

38.

Gun Repair

313227A 39

Parts

Parts

Part No. 24A206 PRO Auto Xs Electrostatic Gun, Series A, for standard coatings

See Ref. No. 8: Packing Rod Detail on page 42

Supplied Tools

37

48

4a

4b

7

4

38

1

† 1a

3

See Ref. No. 13:

Alternator Detail on page 42

36

12

† 11

12a

10

14

2

9

See Ref. No. 17:

Manifold Detail on page 43

19

32

16a

50

40

18 22

21

20

25

28

29

26

30

27

† 16f

16e

20 21 22 23

24 31

15

16b

16g †

16c

16d †

TI13396a

313227A

Parts

Part No. 24A206 PRO Auto Xs Electrostatic Gun, Series A, for standard coatings

Ref.

No.

1

1a*†

2

3

4

7

8

4a

4b

5

8h

9

10

8a*

8b*

8c*

8d*

8e

8f

8g*

11*†

12

12a*

13

13a*† 110073

13b

13c

14

15

16

16b

16c

Part No.

Description

24B548

198307

24A328

24A276

197266

111261

111507

198486

24A338

24A331

111316

116905

178409

178763

197641

185495

186069

24A330

24A329

197518

197517

24A332

256267

244555

223688

244577

13d 111745

13e 198821

197624

245662

244702

16a 197920

189754

189355

16d*† 189752

16e*† 111504

16f*† 112319

RING, retaining, air cap; includes

1a

. U-CUP

PROBE, external (one spare is provided)

AIR CAP

NOZZLE; 1.5 mm orifice; includes

4a and 4b

. O-RING, conductive

. O-RING; fluoroelastomer

CONNECTOR, tube, fiber optic; pictured on page 43 (unassembled)

NEEDLE, electrode

NEEDLE ASSEMBLY; includes

8a-8h

. O-RING; fluoroelastomer

. SEAL

. PACKING, u-cup; uhmwpe

. SPREADER, packing; acetal

. NUT, packing

. HOUSING, packing

. SPACER, packing; acetal

. ROD, packing

BARREL, gun

SCREW; socket-hd; 10-24 x 3/4 in.

(19 mm)

GASKET, barrel

POWER SUPPLY, 85 kV; includes

12a-12b

. SEAL

TURBINE, alternator; includes

13a-13e

. O-RING; fluoroelastomer

. BEARING KIT; includes front and rear bearings and fan

. COIL

. RING, retaining

. PAD, pressure

SPRING, grounding

BODY, gun

PISTON; includes 16a-16g

. PISTON

. ROD, piston

. STEM, piston

. PACKING, u-cup

. O-RING

. O-RING

Qty

1

1

1

1

1

1

1

1

1

1

2

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

2

1

2

1

2

2

Ref.

No.

Part No.

Description

27

28

29

30

31

23

24*

25

26

19

20

21*

22*

16g*† 111508

17

18

244586

. O-RING

MANIFOLD; see separate parts list

on page 43

24B699 CONNECTOR, elbow; includes items 20, 21, 22

198043

112644

TUBE, fluid

NUT

111285

111286

189549

111450

FERRULE, back

FERRULE, front

FITTING, fluid, quick-disconnect

O-RING

185111

189367

185122

101324

SPRING, compression

CAP, exhaust

MUFFLER

NUT, jam, hex

32

197919

102025

112689

116575

ARM, actuator

NUT, hex

SCREW, button-hd; 1/4-20 x 3/4 in.

(19 mm)

SCREW, cap, socket-hd; 10-24; 3 in. (76 mm)

36

37

245265

276741

38 107460

39 ▲ 179791

40 ▲ 180060

41 239945

48

49

50

24B531

116553

248130

CIRCUIT, flexible

MULTI-TOOL

WRENCH, ball end; 4 mm

TAG, warning (not shown)

SIGN, warning (not shown)

COVER, gun; box of 10 (not shown)

COVER ASSEMBLY

GREASE, dielectric, tube (not shown)

O-RING; chemically resistant fluorocarbon (pack of 6)

Qty

1

1

1

2

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

* Recommended spare parts. Keep on hand to reduce downtime.

† Included in repair kit 15D592. (The kit includes one 103337 o-ring not used with this gun.)

▲ Replacement Warning labels, signs, tags, and cards are available at no cost.

313227A 41

Parts

Ref. No. 13: Alternator Detail

† 13a

13b

8a

8h

8f

8d

8c

8g

8b

8e

TI12719a

Ref. No. 8: Packing Rod Detail

13d

13c

13e

TI13397a

42 313227A

Parts

Ref. No. 17: Manifold Detail

Part No. 244586, Series A

101 (Ref) 106 (Ref)

†112

113 105

5 (see page 41)

101

116

116a†

119

114

109

117 120

115

102

104

103

TI1582A

108

111

106

118

TI1578A

110

107

107

108

109

110

111

Ref.

No.

101

102

103

104

105

106

Part No.

Description

198216

189581

110465

112689

112640

197518

111157

186845

110078

112646

189551

MANIFOLD

BRACKET, reciprocator

SCREW, set

SCREW, button-hd

SPRING, compression

SCREW; socket-hd; 10-24 x 3/4 in.

(19 mm)

FITTING, tube, exhaust

FITTING, turbine, air

FITTING, tube, air

PLUG

FITTING, quick-disconnect, fluid

Qty

2

2

1

1

1

3

1

1

2

1

1

Ref.

No.

Part No.

112† 197925

113

114

108290

189365

115

116

198764

244772

116a† 112085

117 114263

118

119

120

111450

116621

112645

Description

GASKET, manifold

SCREW, machine

CAP, kV, HI/LO

RESTRICTOR

PISTON; includes 116a

. O-RING (1 per piston)

FITTING, tube, air

O-RING

SPRING, compression

PLUG

Included in repair kit 15D592. (The kit includes one

103337 o-ring not used with this gun.)

Qty

2

3

1

2

1

2

2

1

2

1

313227A 43

Accessories

Accessories

Air Line Accessories

AirFlex

Flexible Grounded Air Hose

100 psi (7 bar, 0.7 MPa) Maximum Working Pressure

0.315 in. (8 mm) ID; 1/4 npsm(f) x 1/4 npsm(f) left-hand thread

244963

244964

244965

244966

244967

244968

244969

6 ft (1.8 m)

15 ft (4.6 m)

25 ft (7.6 m)

36 ft (11 m)

50 ft (15 m)

75 ft (23 m)

100 ft (30.5 m)

Standard Grounded Air Hose (Grey)

100 psi (7 bar, 0.7 MPa) Maximum Working Pressure

0.315 in. (8 mm) ID; 1/4 npsm(f) x 1/4 npsm(f) left-hand thread

223068

223069

223070

223071

223072

223073

223074

6 ft (1.8 m)

15 ft (4.6 m)

25 ft (7.6 m)

36 ft (11 m)

50 ft (15 m)

75 ft (23 m)

100 ft (30.5 m)

Bleed-Type Master Air Valve

300 psi (21 bar, 2.1 MPa) Maximum Working Pressure

Relieves air trapped in the air line between this valve and the pump air motor when closed.

107141 3/4 npt

Air Line Shutoff Valve

150 psi (10 bar, 1.0 MPa) Maximum Working Pressure

For turning air to gun on or off.

224754 1/4 npsm(m) x 1/4 npsm(f) left-hand thread.

Fluid Line Accessories

Fluid Hose

225 psi (14 bar, 1.4 MPa) Maximum Working Pressure

FM Approved; nylon; 3/8 npsm(fbe)

215637

215638

1/4 in. (6 mm) ID x 25 ft (7.6 m)

1/4 in. (6 mm) ID x 50 ft (15.2 m)

Fluid Shutoff/Drain Valve

500 psi (35 bar, 3.5 MPa) Maximum Working Pressure

For turning fluid on or off to the gun and for relieving fluid line pressure at the pump.

208630 1/2 npt(m) x 3/8 npt(f); carbon steel and

PTFE; for non-corrosive fluids

Drain Valve

300 psi (21 bar, 2.1 MPa) Maximum Working Pressure

236853 Mounts directly to gun manifold for faster flushing and color changes. Must be used with 233676 Fluid Recirculation Kit.

Gun Mounted Fluid Regulator

100 psi (7 bar, 0.7 MPa) Maximum Working Pressure

236854 Air-piloted fluid regulator mounts directly to gun manifold for precise fluid control.

44 313227A

Accessories

Miscellaneous Accessories

Ground Wire and Clamp

222011 For grounding pump and other components and equipment in the spray area.

12 gauge, 25 ft (7.6 m).

Megohmmeter

241079 500 Volt output; 0.01-2000 megohms.

Not for use in hazardous areas.

Paint Resistance Meter

722886 Use with 722860 Paint Probe to measure resistance of paint.

Not for use in hazardous areas.

Paint Probe

722860 Use with 722886 Paint Resistance Meter to measure resistance of paint.

Not for use in hazardous areas.

Safety Warning Signs

180060 English Warning Sign. FM Approved. Available at no charge from Graco.

ES Display Module

224117 Receives fiber optic transmission from the

PRO Auto Xs gun and displays the gun’s output voltage and current. Mounts in a standard 19 in. DIN rack. See 308265.

Fiber Optic Y Cables

See item T in F IG . 2 on page 8. For use with 224117

Display Module only. Connect gun manifold and display module, or bulkhead connector and display module. See

308265.

224682

224684

224686

25 ft (7.6 m)

50 ft (15 m)

100 ft (30.5 m)

Fiber Optic Cables

See item V in F IG . 2 on page 8. Connect gun manifold

and remote voltage display, bulkhead connector and remote display, or bulkhead connector and gun manifold. See 308265.

224672

224674

224676

25 ft (7.6 m)

50 ft (15 m)

100 ft (30.5 m)

Power Supply

235301 Supplies low voltage DC power to 224117

Display Module. See 308265.

Remote Voltage Display

189762 Battery-operated meter displays actual spraying voltage. remote mount outside hazardous area. Connects to gun via fiber optic cable. See 308265.

Remote Voltage Display Kits

Include 189762 Remote Voltage Display and fiber optic cable.

236917

236919

236921

25 ft (7.6 m)

50 ft (15 m)

100 ft (30.5 m)

Bulkhead Connector

189870 For connecting two fiber optic cables.

313227A 45

Accessories

Gun Accessories

Dielectric Grease

116553 1 oz (28 g) tube of dielectric grease for the power supply o-ring (12a), some packing rod parts (8), and certain fluid fittings.

Gun Valve Lubricant

111265 4 oz (113 g) tube of sanitary (non-silicone) lubricant for fluid seals and wear areas.

Alternator Bearing Kit

223688 To repair the turbine alternator.

Cleaning Brush

105749 For cleaning air cap and fluid nozzle.

46 313227A

Technical Data

Technical Data

Category

Maximum Working Fluid Pressure

Maximum Working Air Pressure

Minimum Air Pressure at Turbine Air Inlet

Maximum Fluid Operating Temperature

Paint Resistivity Range

Short Circuit Current Output

Voltage Output

Sound Power (measured per ISO Standard 9216)

Sound Pressure (measured 1 m from gun)

Turbine air inlet fitting, left-hand thread

Atomizing air inlet fitting

Fan air inlet fitting

Cylinder air inlet fitting

Hi/Lo voltage selector air inlet fittings

Fluid inlet fitting

Gun Weight

Gun Length

Wetted Parts

Data

100 psi (0.7 MPa, 7 bar)

100 psi (0.7 MPa, 7 bar)

40 psi (0.28 MPa, 2.8 bar)

120

°

F (48

°

C)

< 1 megohm/cm

125 microamperes

60 kV at 40 psi (0.28 MPa, 2.8 bar): 90.4 dB(A) at 100 psi (0.7 MPa, 7 bar): 105.4 dB(A) at 40 psi (0.28 MPa, 2.8 bar): 87 dB(A) at 100 psi (0.7 MPa, 7 bar): 99 dB(A)

1/4 npsm(m)

3/8 in. OD nylon tube

3/8 in. OD nylon tube

5/32 in. OD nylon tube

5/32 in. OD nylon tube

1/4-18 npsm(m)

3.41 lb (1.53 kg)

10.4 in. (26.4 cm)

Stainless Steel; Nylon, Acetal, Ultra-High Molecular

Weight Polyethylene, Fluoroelastomer, PEEK, Tungsten

Wire, Polyethylene

Loctite® is a registered trademark of the Loctite Corporation.

313227A 47

Graco Warranty

Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use. With the exception of any special, extended, or limited warranty published by

Graco, Graco will, for a period of twelve months or two thousand hours of operation from the date of sale, repair or replace any part of the equipment determined by Graco to be defective. However, any deficiency in the barrel, handle, trigger, hook, internal power supply, and alternator (excluding turbine bearings) will be repaired or replaced for thirty-six months or six thousand hours of operation from the date of sale. This warranty applies only when the equipment is installed, operated and maintained in accordance with Graco's written recommendations.

This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction, damage or wear caused by faulty installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or substitution of non-Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by the incompatibility of Graco equipment with structures, accessories, equipment or materials not supplied by Graco, or the improper design, manufacture, installation, operation or maintenance of structures, accessories, equipment or materials not supplied by

Graco.

This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claimed defect. If the claimed defect is verified, Graco will repair or replace free of charge any defective parts.

The equipment will be returned to the original purchaser transportation prepaid. If inspection of the equipment does not disclose any defect in material or workmanship, repairs will be made at a reasonable charge, which charges may include the costs of parts, labor, and transportation.

THIS WARRANTY IS EXCLUSIVE, AND IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT

NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE.

Graco's sole obligation and buyer's sole remedy for any breach of warranty shall be as set forth above. The buyer agrees that no other remedy (including, but not limited to, incidental or consequential damages for lost profits, lost sales, injury to person or property, or any other incidental or consequential loss) shall be available. Any action for breach of warranty must be brought within two (2) years of the date of sale.

Graco makes no warranty, and disclaims all implied warranties of merchantability and fitness for a particular purpose in connection with accessories, equipment, materials or components sold but not manufactured by Graco. These items sold, but not manufactured by Graco (such as electric motors, switches, hose, etc.), are subject to the warranty, if any, of their manufacturer.

Graco will provide purchaser with reasonable assistance in making any claim for breach of these warranties.

In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from Graco supplying equipment hereunder, or the furnishing, performance, or use of any products or other goods sold hereto, whether due to a breach of contract, breach of warranty, the negligence of Graco, or otherwise.

FOR GRACO CANADA CUSTOMERS

The parties acknowledge that they have required that the present document, as well as all documents, notices and legal proceedings entered into, given or instituted pursuant hereto or relating directly or indirectly hereto, be drawn up in English. Les parties reconnaissent avoir convenu que la rédaction du présente document sera en Anglais, ainsi que tous documents, avis et procédures judiciaires exécutés, donnés ou intentés à la suite de ou en rapport, directement ou indirectement, avec les procedures concernées.

Graco Information

TO PLACE AN ORDER, contact your Graco distributor or call to identify the nearest distributor.

Phone: 612-623-6921 or Toll Free: 1-800-328-0211 Fax: 612-378-3505

All written and visual data contained in this document reflects the latest product information available at the time of publication.

Graco reserves the right to make changes at any time without notice.

This manual contains English. MM 313227

Graco Headquarters: Minneapolis

International Offices: Belgium, China, Japan, Korea

GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441

Copyright 2009, Graco Inc. is registered to ISO 9001 www.graco.com

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